US Bridges

Hebron Town Hall R over I-75 NB

Good

Cheboygan County, Michigan · 4.4 MI S of US-31 · Structure no. 000000000001517

Built
1960
65 years old
Condition
Good
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
293 ft
4 main spans
Daily traffic
40
1997 count
Owner
State
State Highway Agency

About this bridge

Hebron Town Hall R over I-75 NB is a concrete continuous tee beam carrying Hebron Town Hall R over I-75 NB in Cheboygan County, Michigan. It was built in 1960, so it is 65 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 3% of them trucks, projected to reach 65 by 2007. The structure is 293 ft (89.2 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesHebron Town Hall R
CrossesI-75 NB
Location4.4 MI S of US-31
RouteCounty Highway 0
Coordinates45.67911, -84.68055
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating67.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length293 ft (89.2 m)
Longest span92 ft (27.9 m)
Deck width31 ft (9.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1997)
Projected traffic65 by 2007
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hebron Town Hall R over I-75 NB built?

It was built in 1960, making it 65 years old in 2025.

What condition is Hebron Town Hall R over I-75 NB in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Hebron Town Hall R over I-75 NB carry?

About 40 vehicles per day (1997 count), of which roughly 3% are trucks.

How long is Hebron Town Hall R over I-75 NB?

The structure is 293 ft (89.2 m) long with a longest span of 92 ft (27.9 m) and a deck 31 ft wide.

Who owns Hebron Town Hall R over I-75 NB?

It is owned by the State Highway Agency.